1/4"-20 x 3/4 in Hex Button Tamper Resistant Screw, Black Oxide Finish, Case Hardened Steel, 25 PK MPN:21540
1/4"-20 x 3/4 in Hex Button Tamper Resistant Screw, Black Oxide Finish, Case Hardened Steel, 25 PK
This 1/4in-20 x 3/4 in Hex Button Tamper Resistant Screw is ideal for applications where security and durability are paramount. The black oxide finish and case hardened steel construction provide a high level of resistance to corrosion and wear, making it perfect for use in harsh environments. The tamper-resistant design helps prevent accidental or intentional removal, while the external hex drive and coarse thread ensure a secure and easy installation process. Suitable for use in a variety of industries, including construction, manufacturing, and healthcare, this screw is a reliable choice for applications requiring a high level of security and durability.
Top product features:
- Case hardened steel construction
- Fully threaded design for secure fastening
- Tamper-resistant button head for added security
Top product applications:
- Electrical Panel Enclosures
- Machine Parts Assembly
- Appliance Installation
Tamper Resistant Screw, Head Type Button, Material Steel, Finish Black Oxide, Drive External Hex, Thread Size 1/4 In.-20, Fastener Length 3/4 in, Head Height 0.122 to 0.132 in, Drive Size 5/32 in, Dimensional Standards ASME B18.3, Minimum Thread Length Not Applicable, Type Machine Screw, Washer Outside Diameter Not Applicable, Washer Thickness Not Applicable, Maximum Head Width 7/16 in, Maximum Head Height 1/8 in, System of Measurement Inch, Thread Style Fully Threaded, Thread Type Coarse
Additional Information
- Country of Origin: US
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: PK
- Package Length: 1.80
- Package Width: 1.20
- Package Height: 2.80
- Package Weight: 0.30
Product info last updated on February 3, 2026 9:36pm UTC
Category: Screws and Bolts